<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<center>
  <h1>登记表</h1>
  <table border="1" >
  <tr>
    <td>用户名</td>
    <td><input type="text"></td>
  </tr>
    <tr>
    <td>密码</td>
    <td><input type="password"></td>
  </tr>
    <tr><td>昵称</td><td>
     <tb><input type="text"></tb>
    </tr>
  <tr>
    <td>年龄</td>
    <td><input type="text"></td>
  </tr>

  <tr>
    <td colspan="2" align="center"><input type="button" value="一键注册"></td>
  </tr>

  </table>


</center>




</body>
</html>